1541625 has 16 divisors (see below), whose sum is σ = 2565888. Its totient is φ = 822000.

The previous prime is 1541597. The next prime is 1541629. The reversal of 1541625 is 5261451.

It is not a de Polignac number, because 1541625 - 2⁷ = 1541497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1541595 and 1541604.

It is not an unprimeable number, because it can be changed into a prime (1541629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (160368).

2^1541625 is an apocalyptic number.

1541625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1541625 is a deficient number, since it is larger than the sum of its proper divisors (1024263).

1541625 is an equidigital number, since it uses as much as digits as its factorization.

1541625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129 (or 4119 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1541625 is about 1241.6219231312. The cubic root of 1541625 is about 115.5206387286.

The spelling of 1541625 in words is "one million, five hundred forty-one thousand, six hundred twenty-five".